Arty, known as Aqua Boy in his act, is the oldest Binewski sibling, born with flippers instead of limbs. He becomes a leader within his family and the founder of a unique belief system followed by a cult.

Al is the father of the Binewski family, who runs the carnival and is driven by the idea of creating extraordinary children through unconventional means.

Lil, the mother of the Binewski children, ran away to join the carnival and became known for her sideshow act. She later participates in Al's plans to produce exceptional offspring despite the toll it takes on her health.

Iphy is one half of the conjoined twins, known for her gentle nature and strong bond with her twin sister, Elly.

Elly is the other half of the conjoined twins, possessing a sharp tongue and an inseparable attachment to her sister Iphy.

Chick is the youngest Binewski sibling, seemingly normal but with powerful telekinetic abilities that significantly influence the family dynamic.

A wealthy and mysterious woman, Miss Lick's life mission involves altering young women's appearances to enhance their intellectual and professional potential.

Miranda is Oly's daughter and an art student with a hidden family history, who unknowingly reflects traits of her unusual heritage through her art.

Horst is a devoted worker in the Binewski carnival, known for his care of the animal acts and his loyalty to the Binewski family.

Sanderson is a reporter drawn into the carnival's world while covering the Arturans, providing an outsider's perspective on the carnival's unique lifestyle.